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gluon-core: sysconfig: differentiate between nil and empty string

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This commit is contained in:
Matthias Schiffer 2015-01-26 20:18:33 +01:00
parent c45a0bcdc1
commit cbedc9421e
1 changed files with 3 additions and 3 deletions
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6
package/gluon-core/files/usr/lib/lua/gluon/sysconfig.lua
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@ -1,13 +1,13 @@
local sysconfigdir = '/lib/gluon/core/sysconfig/' local sysconfigdir = '/lib/gluon/core/sysconfig/'
local function get(_, name) local function get(_, name)
local ret = nil
local f = io.open(sysconfigdir .. name) local f = io.open(sysconfigdir .. name)
if f then if f then
ret = f:read('*line') local ret = f:read('*line')
f:close() f:close()
return (ret or '')
end end
return ret return nil
end end
local function set(_, name, val) local function set(_, name, val)